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SELECT * FROM sysobjects WHERE id = object_id(N'function_name') AND xtype IN (N'FN', N'IF', N'TF') DROP FUNCTION function_name. If you want to avoid the sys* tables, you could instead do (from here in example A): DROP FUNCTION function_name.
14 Ιουν 2022 · Syntax. DELETE [table.*] FROM table WHERE criteria. The DELETE statement has these parts: Expand table. Remarks. DELETE is especially useful when you want to delete many records. To drop an entire table from the database, you can use the Execute method with a DROP statement. If you delete the table, however, the structure is lost.
15 Οκτ 2020 · you can also use SQL to delete the table: If Not IsNull(DLookup("Name", "MSysObjects", "Name='JIC Global'")) Then Currentdb.Execute "Drop Table [JIC Global];" End If
The DROP DATABASE statement is used to drop an existing SQL database. Syntax. DROP DATABASE databasename; Note: Be careful before dropping a database. Deleting a database will result in loss of complete information stored in the database! DROP DATABASE Example. The following SQL statement drops the existing database "testDB":
3 Σεπ 2024 · Removes one or more user-defined functions from the current database. User-defined functions are created by using CREATE FUNCTION and modified by using ALTER FUNCTION . The DROP function supports natively compiled, scalar user-defined functions.
2 Οκτ 2013 · We can simplify a bit by using EXISTS. The difference between IN () and EXISTS () is that IN () returns a resultset which is then evaluated by a main query. EXISTS () simply returns a Boolean value without returning any data about the subquery at all. To illustrate, consider this statement:
To remove an existing user-defined function created by the CREATE FUNCTION statement, you use the DROP FUNCTION statement as follows: DROP FUNCTION [ IF EXISTS ] [ schema_name. ] function_name; Code language: SQL (Structured Query Language) (sql) In this syntax: IF EXISTS. The IF EXISTS option allows you to drop the function only if it exists.
